Keyphrases
- data hiding
- multimedia
- error correction
- spatial domain
- spread spectrum
- tamper detection
- reversible data hiding
- least significant bit
- image scrambling
- data hiding scheme
- high capacity
- data embedding
- multimedia content
- secret data
- watermarking technique
- information hiding
- secret message
- security requirements
- multimedia data
- digital libraries
- jpeg images
- halftone images
- computer vision
- high quality
- image processing